CN117224253B - Interventional medical instrument pushing device - Google Patents
Interventional medical instrument pushing device Download PDFInfo
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- CN117224253B CN117224253B CN202311491633.2A CN202311491633A CN117224253B CN 117224253 B CN117224253 B CN 117224253B CN 202311491633 A CN202311491633 A CN 202311491633A CN 117224253 B CN117224253 B CN 117224253B
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- wall
- pipe
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- block
- loading
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- 238000007789 sealing Methods 0.000 claims description 21
- 244000309464 bull Species 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses an interventional medical instrument pushing device, which relates to the technical field of medical instruments and comprises a loader and a conveying guide pipe, wherein one end of the conveying guide pipe is provided with external threads, the inner wall of the loader is rotatably provided with a loading pipe, the inner wall of the loading pipe is provided with internal threads, the side wall of the loading pipe is sleeved with a rectangular block, the side wall of the rectangular block is symmetrically and fixedly connected with a supporting block, the inner wall of each supporting block is provided with a rectangular groove, a clamping block is connected inside the rectangular groove in a sliding manner, the clamping block is elastically connected with the inner wall of the rectangular groove through a reset spring, and the side wall of the clamping block is fixedly connected with a driving rod. According to the invention, through arranging the structures such as the collision rod, the V-shaped hole, the clamping block and the like, when the loader is connected with the conveying guide pipe, after one end of the collision rod is propped against the side wall of the circular ring block, the conveying guide pipe can drive the loading pipe to synchronously rotate, screwing is stopped, the screwing degree is kept to be good, and the operation is not influenced by excessive or insufficient screwing degree.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a pushing device for an interventional medical instrument.
Background
Interventional therapy is a minimally invasive therapy performed by using modern high-tech means, namely, under the guidance of medical imaging equipment, special precise instruments such as catheters, guide wires and the like are introduced into a human body to diagnose and locally treat in vivo pathological conditions, the interventional therapy is increasingly widely applied in surgical operations, and a conveying system of the intracavity interventional instrument generally at least comprises a conveying catheter, an expander, a loader, a hemostatic valve, a pusher and the like. In the process of leading the interventional instrument into the conveying guide pipe from the loader, the connection and the cooperation between the loader and the conveying guide pipe are of great importance, so that the smooth passing of the instrument is ensured, the tightness is good, and the risk of air lock is reduced in the process of exhausting the instrument.
The loading tube in the existing loader is often in threaded connection with the conveying conduit, in the process of threaded connection of the loading tube and the conveying conduit, if the screwing degree in the threaded connection process is excessive, the loading tube is easy to be extruded and deformed, so that instruments are difficult to pass smoothly, the effect of an operation is affected, if the screwing degree is insufficient, the loading tube and the conveying conduit are not connected in place, poor tightness is caused, the risks of air lock and the like are caused, the existing loading tube and the conveying conduit cannot be determined whether the instruments are assembled in place or not when being assembled, doctors are required to judge according to personal experience, and a certain risk is caused.
For this purpose, we propose an interventional medical instrument pusher.
Disclosure of Invention
The invention provides a pushing device for an interventional medical instrument, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an intervention medical instrument pusher, includes loader and conveying pipe, the external screw thread has been seted up to conveying pipe one end, the loader inner wall rotates installs the loading tube, the internal screw thread has been seted up to the inner wall of loading tube, loading tube lateral wall cover is equipped with the rectangle piece, rectangle piece lateral wall symmetry fixedly connected with supporting shoe, every rectangular slot has all been seted up to the supporting shoe inner wall, rectangular slot inside sliding connection has the fixture block, the fixture block passes through reset spring and rectangular slot inner wall elastic connection, fixture block lateral wall fixedly connected with actuating lever, first cross bore has been seted up to rectangular slot inner wall, first cross bore inner wall runs through sliding connection has the collision pole, the V-arrangement hole has been seted up to the collision pole inner wall, the actuating lever runs through sliding connection in adjacent V-arrangement hole inside, the draw-in groove has been seted up to loading tube outer wall symmetry; a control mechanism for adjusting the precession degree of the loading pipe and the conveying guide pipe is arranged in the supporting block; the conveying guide pipe is provided with a fastening mechanism for improving the sealing degree of the conveying guide pipe and the loading pipe.
Further, the control mechanism comprises a circular ring block sleeved with the circular ring block and connected to the side wall of the conveying guide pipe in a sliding mode, limiting rods are symmetrically and fixedly connected to the side wall of the circular ring block, second transverse holes are formed in the inner wall of the rectangular groove, each limiting rod is connected to the inside of one corresponding second transverse hole in a sliding mode, and one end of each collision rod and the side wall of the circular ring block are extruded against each other.
Further, fastening mechanism is including seting up the ring chamber at the ring piece inner wall, ring intracavity wall equipartition runs through sliding connection has the slide bar, the one end fixedly connected with combination closing plate of slide bar.
Further, the combined sealing plate is composed of two arc-shaped plates with inconsistent shapes, the two arc-shaped plates of the combined sealing plate are respectively abutted against the outer side walls of the loading pipe and the conveying guide pipe, an annular groove is formed in the inner side wall of the annular block, and the combined sealing plate is slidably connected inside the annular groove.
Further, fastening mechanism still includes that the equipartition rotates a plurality of bull sticks of connection at ring intracavity wall, every bull stick lateral wall all fixedly connected with gear, slide bar lateral wall fixedly connected with rack, rack and adjacent gear engagement are connected, ring intracavity wall sliding connection has annular rack, gear and annular rack engagement are connected, slide bar and annular rack dislocation set.
Further, the side wall of the circular ring block penetrates through the cylinder in a sliding manner, a spiral guide groove is formed in the inner wall of the cylinder, one side wall of the rotating rod is fixedly connected with a guide rod, and the guide rod is in sliding connection with the spiral guide groove.
Further, the side wall of the rectangular block is fixedly connected with a pushing block, and the pushing block is pressed against the cylinder.
Further, the cylinder side wall is sleeved with a tension spring fixedly connected with the cylinder, and the other end of the tension spring is fixedly connected with the side wall of the circular ring block.
Further, the conveying guide pipe is in threaded connection with the loading pipe through external threads and internal threads, a round hole is formed in the inner wall of the rectangular block, and the rectangular groove is communicated with the round hole.
Further, the rectangular blocks are sleeved with the round holes and are connected to the outer sides of the loading pipes in a sliding mode, and each clamping block is clamped inside one adjacent clamping groove.
The invention has the following advantages:
1. through arranging the structures such as the collision rod, the V-shaped hole, the clamping block and the like, when the loader is connected with the conveying guide pipe, after one end of the collision rod is propped against the side wall of the circular ring block, the clamping block gradually does not limit the loading pipe, so that when a user continuously rotates the conveying guide pipe again, the conveying guide pipe drives the loading pipe to synchronously rotate, the screwing is stopped, the seamless connection between the loading pipe and the near end of the conveying guide pipe is realized, and the loading pipe and the conveying guide pipe are connected in place, so that the influence on the operation process is avoided due to excessive or insufficient screwing degree;
2. through setting up structures such as impeller, drum and a plurality of rack, make every slide bar all drive its one end fixed connection's combination closing plate and remove a section of distance, two arc of combination closing plate will respectively with load pipe, carry pipe lateral wall counterbalance contact, and adjacent two combination closing plates are the sealed state that offsets each other for carry pipe and load the connecting portion of pipe and offset by the combination closing plate and seal, improve its leakproofness of connecting, prevent to exhaust inadequately and cause danger such as gas lock.
Drawings
Fig. 1 is an external schematic view of an interventional medical device pushing device according to the present invention;
FIG. 2 is a schematic view of another angle of an interventional medical device pushing device according to the present invention;
FIG. 3 is a schematic diagram showing the connection relationship between a round hole and a loading tube in an interventional medical device pushing device according to the present invention;
FIG. 4 is a schematic view of the structure of the inside of a rectangular slot in an interventional medical device pushing device according to the present invention;
FIG. 5 is a schematic diagram illustrating a positional relationship between a first transverse hole and a second transverse hole in a pushing device for an interventional medical device according to the present invention;
FIG. 6 is a schematic view of the appearance of an impact beam and a V-shaped hole in a push device for an interventional medical device according to the present invention;
FIG. 7 is a schematic diagram showing the positional relationship between a delivery catheter and a combined sealing plate in an interventional medical device pushing device according to the present invention;
FIG. 8 is a schematic view illustrating the structure of the inside of a circular cavity in a pushing device for an interventional medical device according to the present invention;
FIG. 9 is a schematic view of the appearance of a combined sealing plate in an interventional medical device pushing device according to the present invention;
FIG. 10 is a schematic view showing the positional relationship between an annular rack and a sliding rod in a pushing device for an interventional medical device according to the present invention;
FIG. 11 is a schematic diagram showing the positional relationship of a clamping groove in a pushing device of an interventional medical device according to the present invention;
fig. 12 is a schematic view showing the appearance of a guide rod and a rotating rod in a pushing device for an interventional medical device according to the present invention.
In the figure: 1 loader, 2 conveying guide pipe, 3 bull stick, 4 loading tube, 5 rectangular block, 6 supporting shoe, 7 round hole, 8 rectangular channel, 9 fixture block, 10 actuating lever, 11 reset spring, 12 first cross bore, 13 impact pole, 14V shape hole, 15 second cross bore, 16 draw-in groove, 17 pushing block, 19 ring block, 20 gag lever post, 21 ring chamber, 22 slide bar, 23 combination closing plate, 24 ring channel, 26 gear, 27 rack, 28 cylinder, 29 external screw thread, 30 internal screw thread, 31 ring rack, 32 guide arm, 33 extension spring.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-12, an interventional medical device pushing device comprises a loader 1 and a conveying conduit 2, wherein an external thread 29 is arranged at one end of the conveying conduit 2, a loading tube 4 is rotatably arranged on the inner wall of the loader 1, an internal thread 30 is arranged on the inner wall of the loading tube 4, the conveying conduit 2 is rotated to enable the external thread 29 of the conveying conduit 2 and the internal thread 30 of the loading tube 4 to be in threaded connection, the conveying conduit 2 moves for a certain distance towards the direction close to the loading tube 4 in the rotating process, a rectangular block 5 is sleeved on the side wall of the loading tube 4, the rectangular block 5 is in sliding connection with the loading tube 4, the loading tube 4 can freely rotate in a round hole 7 of the rectangular block 5, the rectangular block 5 cannot axially move along the loading tube 4, supporting blocks 6 are symmetrically and fixedly connected to the side wall of the rectangular block 5, rectangular grooves 8 are formed in the inner wall of each supporting block 6, the inside sliding connection of rectangular slot 8 has fixture block 9, fixture block 9 inner wall fixedly connected with reset spring 11, reset spring 11's the other end and rectangular slot 8 inner wall fixedly connected with fixture block 9 lateral wall fixedly connected with actuating lever 10, rectangular slot 8 inner wall has seted up first cross bore 12, first cross bore 12 inner wall runs through sliding connection has collision pole 13, collision pole 13 inner wall has seted up V-arrangement hole 14, actuating lever 10 runs through sliding connection in adjacent one V-arrangement hole 14 inside, loading tube 4 outer wall symmetry has seted up draw-in groove 16, collision pole 13 is when sliding a section distance along first cross bore 12, collision pole 13 will drive V-arrangement hole 14 synchronous motion, because every actuating lever 10 all sliding connection is inside a corresponding V-arrangement hole 14, then when V-arrangement hole 14 removes, actuating lever 10 will follow V-arrangement hole 14's hole groove and remove a section distance, the driving rod 10 drives the clamping block 9 fixedly connected with the driving rod to move a distance in the rectangular groove 8 towards one end far away from the loading pipe 4, so that the clamping block 9 is separated from the clamping groove 16, the clamping block 9 does not limit the loading pipe 4 through the clamping groove 16, when a user continues to rotate the conveying pipe 2, the conveying pipe 2 drives the loading pipe 4 to synchronously rotate, the rotation of the conveying pipe 2 and the loading pipe 4 is stopped, and further the seamless connection between the loading pipe 4 and the conveying pipe 2 is realized; a control mechanism for adjusting the precession degree of the loading pipe 4 and the conveying guide pipe 2 is arranged in the supporting block 6; the delivery catheter 2 is provided with a fastening mechanism for improving the sealing degree between the delivery catheter 2 and the loading tube 4.
The control mechanism comprises a circular ring block 19 which is sleeved on the side wall of the conveying conduit 2 in a sliding manner, the conveying conduit 2 can rotate inside the circular ring block 19, the circular ring block 19 cannot move along the axial direction of the conveying conduit 2 on the side wall of the conveying conduit 2, the side wall of the circular ring block 19 is symmetrically and fixedly connected with a limiting rod 20, the inner wall of the rectangular groove 8 is provided with a second transverse hole 15, each limiting rod 20 is slidably connected inside one corresponding second transverse hole 15, and one end of the collision rod 13 and the side wall of the circular ring block 19 are extruded in a propping manner.
The fastening mechanism comprises a ring cavity 21 formed in the inner wall of a ring block 19, sliding rods 22 are uniformly distributed on the inner wall of the ring cavity 21 and penetrate through the ring cavity in a sliding manner, one end of each sliding rod 22 is fixedly connected with a combined sealing plate 23, each combined sealing plate 23 is composed of two arc-shaped plates with inconsistent shapes, the two arc-shaped plates of each combined sealing plate 23 are respectively abutted against the outer side walls of a loading pipe 4 and a conveying pipe 2, the adjacent two combined sealing plates 23 are in a mutually abutted sealing state, the connecting parts of the conveying pipe 2 and the loading pipe 4 are abutted against and sealed by the combined sealing plates 23, the connection tightness of the connecting parts is improved, risks such as air bolts caused by poor exhaust are prevented, the inner side wall of the ring block 19 is provided with an annular groove 24, the combined sealing plates 23 are slidably connected inside the annular groove 24, and the combined sealing plates 23 move inside the annular groove 24.
The fastening mechanism further comprises a plurality of rotating rods 3 which are uniformly distributed and rotationally connected to the inner wall of the circular cavity 21, each rotating rod 3 is fixedly connected with a gear 26 on the side wall, a rack 27 is fixedly connected to the side wall of each sliding rod 22, the racks 27 are in meshed connection with adjacent gears 26, the racks 27 and the annular racks 31 are arranged in a staggered mode, interference cannot occur, the gears 26 drive the annular racks 31 which are in meshed connection with the gears to slide in the circular cavity 21, the annular racks 31 drive the other gears 26 to synchronously rotate, then each gear 26 drives the racks 27 which are in meshed connection with the gears to move for a certain distance, the racks 27 drive the sliding rods 22 which are in fixed connection with the racks to move for a certain distance, the annular racks 31 are in sliding connection with the inner wall of the circular cavity 21, and the gears 26 and the annular racks 31 are in meshed connection.
The cylinder 28 is connected with the side wall of the circular ring block 19 in a penetrating and sliding manner, the spiral guide groove is formed in the inner wall of the cylinder 28, the guide rod 32 is fixedly connected with the side wall of one rotating rod 3, the guide rod 32 is connected with the spiral guide groove in a sliding manner, the pushing block 17 is pressed against the cylinder 28, the pushing block 17 pushes the cylinder 28 to slide for a certain distance, the spiral guide groove is formed in the inner wall of the cylinder 28, the lead of the spiral guide groove is large, and then in the moving process of the cylinder 28, the guide rod 32 which is connected with the spiral guide groove in a sliding manner drives the rotating rod 3 fixedly connected with the guide rod to rotate for a certain angle.
The side wall of the rectangular block 5 is fixedly connected with a pushing block 17, and the pushing block 17 is propped against the cylinder 28 for extrusion.
The cylinder 28 is sleeved with a fixedly connected extension spring 33, the other end of the extension spring 33 is fixedly connected with the side wall of the circular ring block 19, one end of the extension spring 33 is fixedly connected with the side wall of the cylinder 28, the extension spring 33 is sleeved on the side wall of the cylinder 28, and the extension spring 33 provides tension to the cylinder 28, so that the cylinder 28 is reset under the action of no external force.
The conveying guide pipe 2 is in threaded connection with the loading pipe 4 through the external threads 29 and the internal threads 30, the inner wall of the rectangular block 5 is provided with a round hole 7, the rectangular groove 8 is communicated with the round hole 7, the rectangular block 5 is sleeved with the round hole 7 in a sliding connection mode on the outer side of the loading pipe 4, and each clamping block 9 is clamped inside one adjacent clamping groove 16.
In the invention, when the loader 1 is connected with the conveying pipe 2, a user holds the circular block 19 by hand at this time and rotates the conveying pipe 2 to enable the external thread 29 of the conveying pipe 2 and the internal thread 30 of the loading pipe 4 to be in threaded connection, the conveying pipe 2 moves for a certain distance in the direction approaching to the loading pipe 4 in the rotating process until one end of the collision rod 13 arranged in the supporting block 6 is abutted against the side wall of the circular block 19, when one end of the collision rod 13 is abutted against the side wall of the circular block 19, the collision rod 13 slides for a certain distance along the first transverse hole 12 due to the fact that the circular block 19 is in a holding and fixing state, then the collision rod 13 drives the V-shaped holes 14 to synchronously move, and each driving rod 10 is connected in the corresponding V-shaped hole 14 in a sliding way, when the V-shaped hole 14 moves, the driving rod 10 moves along the hole groove of the V-shaped hole 14 for a certain distance, the driving rod 10 drives the clamping block 9 fixedly connected with the driving rod to move in the rectangular groove 8 for a certain distance towards one end far away from the loading tube 4, so that the clamping block 9 is separated from the clamping groove 16, at the moment, the clamping block 9 does not limit the loading tube 4 through the clamping groove 16, when a user continues to rotate the conveying guide tube 2, the conveying guide tube 2 drives the loading tube 4 to synchronously rotate, screwing of the conveying guide tube 2 and the loading tube 4 is stopped, seamless connection of the loading tube 4 and the conveying guide tube 2 is realized, and the loading tube 4 and the conveying guide tube 2 are connected in place, so that the influence on the operation process is avoided due to excessive or insufficient screwing degree.
In the above process, when the collision rod 13 and the circular ring block 19 are pressed against each other, the pushing block 17 is pressed against the cylinder 28, so that the pushing block 17 pushes the cylinder 28 to slide for a certain distance, the inner wall of the cylinder 28 is provided with a spiral guide groove, and the lead of the spiral guide groove is larger, then in the process of moving the cylinder 28, the guide rod 32 slidingly connected with the spiral guide groove drives the rotating rod 3 fixedly connected with the guide rod to rotate for a certain angle, then the gear 26 fixedly connected with the side wall of the rotating rod 3 rotates for a certain angle, the gear 26 drives the annular rack 31 in meshed connection with the gear 26 to slide in the circular ring cavity 21, then the annular rack 31 drives the other gears 26 to synchronously rotate, then each gear 26 drives the rack 27 in meshed connection with the gear, the rack 27 drives the slide rod 22 fixedly connected with the rack 27 to move for a certain distance, and each slide rod 22 drives the combined sealing plate 23 fixedly connected with one end of the slide rod to move for a certain distance, and because the pipe diameters of the conveying guide pipe 2 and the loading pipe 4 are different, the two arc plates of the combined sealing plates 23 are respectively contacted with the loading pipe 4 and the outer side wall of the conveying pipe 2, and the two arc plates 23 are in sealed connection with each other, and the combined sealing plates 23 are sealed and connected with each other, and sealed and the sealing pipe is sealed and connected by the sealing plate 23.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an intervention medical instrument pusher, includes loader (1) and conveying pipe (2), external screw thread (29) have been seted up to conveying pipe (2) one end, a serial communication port, loader (1) inner wall rotates installs loading tube (4), internal screw thread (30) have been seted up to loading tube (4) inner wall, loading tube (4) lateral wall cover is equipped with rectangle piece (5), rectangle piece (5) lateral wall symmetry fixedly connected with supporting shoe (6), every rectangular channel (8) have all been seted up to supporting shoe (6) inner wall, rectangular channel (8) inside sliding connection has fixture block (9), fixture block (9) are through reset spring (11) and rectangular channel (8) inner wall elastic connection, fixture block (9) lateral wall fixedly connected with actuating lever (10), first cross bore (12) have been seted up to rectangular channel (8) inner wall, first cross bore (12) inner wall run through sliding connection have collision rod (13), V-shaped hole (14) have been seted up to collision rod (13) inner wall, actuating lever (10) inside sliding connection has a V-shaped slot (16) to open inside symmetrical channel (16) of the outer wall of the adjacent card (4);
a control mechanism for adjusting the precession degree of the loading pipe (4) and the conveying guide pipe (2) is arranged in the supporting block (6);
the utility model discloses a conveyer pipe, including conveyer pipe (2) and loading pipe (4), be equipped with the fastening mechanism to conveyer pipe (2) and loading pipe (4) improvement degree of sealing, control mechanism includes that the cover establishes sliding connection in ring piece (19) of conveyer pipe (2) lateral wall, fastening mechanism is including seting up ring chamber (21) at ring piece (19) inner wall, ring chamber (21) inner wall equipartition run through sliding connection has slide bar (22), the one end fixedly connected with combination closing plate (23) of slide bar (22), combination closing plate (23) comprise two arc shapes inconsistent, two arc of combination closing plate (23) offset with loading pipe (4), conveyer pipe (2) lateral wall contact respectively, ring piece (19) are seted up ring channel (24), combination closing plate (23) sliding connection is inside ring channel (24), fastening mechanism still includes a plurality of bull stick (3) that are connected at ring chamber (21) inner wall, every bull stick (3) lateral wall all fixedly connected with gear (26), slide bar (22) lateral wall fixedly connected with rack (27) and ring gear (31) are connected with rack (31) and ring gear (31) are connected with each other in a meshed mode, slide bar (22) and annular rack (31) dislocation set, sliding connection has drum (28) are run through to ring piece (19) lateral wall, spiral guide slot has been seted up to drum (28) inner wall, one of them bull stick (3) lateral wall fixedly connected with guide arm (32), guide arm (32) and spiral guide slot sliding connection, rectangle piece (5) lateral wall fixedly connected with impeller (17), impeller (17) and drum (28) offset extrusion.
2. The interventional medical device pushing device according to claim 1, wherein limiting rods (20) are symmetrically and fixedly connected to the side walls of the circular ring blocks (19), second transverse holes (15) are formed in the inner walls of the rectangular grooves (8), each limiting rod (20) is slidably connected to the inside of a corresponding second transverse hole (15), and one end of each collision rod (13) is pressed against the side wall of each circular ring block (19).
3. An interventional medical device pushing device according to claim 2, characterized in that the side wall of the cylinder (28) is fixedly connected with a tension spring (33), and the other end of the tension spring (33) is fixedly connected with the side wall of the circular ring block (19).
4. An interventional medical device pushing apparatus according to claim 3, wherein the delivery catheter (2) is in threaded connection with the loading tube (4) through an external thread (29), an internal thread (30), a round hole (7) is formed in the inner wall of the rectangular block (5), and the rectangular groove (8) is communicated with the round hole (7).
5. The interventional medical device pushing device according to claim 4, wherein the rectangular blocks (5) are sleeved with round holes (7) in a sliding connection mode on the outer side of the loading tube (4), and each clamping block (9) is clamped inside an adjacent clamping groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311491633.2A CN117224253B (en) | 2023-11-10 | 2023-11-10 | Interventional medical instrument pushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311491633.2A CN117224253B (en) | 2023-11-10 | 2023-11-10 | Interventional medical instrument pushing device |
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| CN117224253A CN117224253A (en) | 2023-12-15 |
| CN117224253B true CN117224253B (en) | 2024-02-23 |
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| CN202311491633.2A Active CN117224253B (en) | 2023-11-10 | 2023-11-10 | Interventional medical instrument pushing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962990A (en) * | 2016-06-08 | 2016-09-28 | 深圳市科奕顿生物医疗科技有限公司 | Interventional medical instrument delivering system |
| CN107115129A (en) * | 2017-03-10 | 2017-09-01 | 杭州诺茂医疗科技有限公司 | Interventional medical device induction system |
| CN207785197U (en) * | 2017-03-10 | 2018-08-31 | 杭州诺茂医疗科技有限公司 | Attachment device for interventional medical device transport system |
| CN111803170A (en) * | 2019-04-12 | 2020-10-23 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument pusher and interventional medical instrument conveying system |
| CN111803169A (en) * | 2019-04-12 | 2020-10-23 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument conveying system capable of smoothly conveying |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10201336B2 (en) * | 2011-03-25 | 2019-02-12 | St. Jude Medical, Cardiology Division, Inc. | Device and method for delivering a vascular device |
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2023
- 2023-11-10 CN CN202311491633.2A patent/CN117224253B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962990A (en) * | 2016-06-08 | 2016-09-28 | 深圳市科奕顿生物医疗科技有限公司 | Interventional medical instrument delivering system |
| CN107115129A (en) * | 2017-03-10 | 2017-09-01 | 杭州诺茂医疗科技有限公司 | Interventional medical device induction system |
| CN207785197U (en) * | 2017-03-10 | 2018-08-31 | 杭州诺茂医疗科技有限公司 | Attachment device for interventional medical device transport system |
| CN111803170A (en) * | 2019-04-12 | 2020-10-23 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument pusher and interventional medical instrument conveying system |
| CN111803169A (en) * | 2019-04-12 | 2020-10-23 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument conveying system capable of smoothly conveying |
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| CN117224253A (en) | 2023-12-15 |
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